Do you listen a metallic noise on your Mercedes Benz CLS Class every time you drive? We know that this is not relaxing and that you are wandering. Discovering such a noise is not always a good signal, but it may also be nothing major. To support you remedy this issue, we have decided to write this article content to assist you in this investigation. In order to accomplish this research as efficiently as possible, we will first look at the possible sources of metallic noise in the front of your automobile, and then, if the metallic noise comes from the rear of your automobile.
Metal noise Mercedes Benz CLS Class coming from the front end of the automobile
I listen to a metal rattling noise coming from wheels
- Metallic noise originating from your bearing
- Metalic noise coming from brake
- Stabilizer bar worn
One of the probable causes of metal noise manifestations on your Mercedes Benz CLS Class, may be that one of your bearing is tired, it will frequently generate a loud noise that increase when stressed (turns faster and faster). So remember to verify by taking speed (neutral gear and window open to be aware only to noise of the wheels) that the noise is well located here, if this is the case change it or them promptly. If, on the other hand, this noise only manifests itself with an engaged speed, read this article on loud noise on Mercedes Benz CLS Class, you will most likely find a solution to your issue.
If you discern a metalic noise on Mercedes Benz CLS Class and you have the feeling that it comes from your front wheels, it is highly possible that it is your pads or discs that are the cause. Indeed, a disc or a set of dead plates will create a strong metallic friction noise that you will inevitably feel. To verify this, put your automobile on safety stand, and verify the condition of your discs and pads by removing the wheel. If they are involved, change them as soon as possible , otherwise you will no longer be able to brake. If you experience a metallic noise from your automobile, and you want explications about it, browse this article for more info about brake noises on xxx.
If it is rather when you are turning, passing over a bump or sidewalk that you listen to a metallic noise on your Mercedes Benz CLS Class, then your rods may be worn. Whether it is the steering or the stabilizer bar, their wear will cause a metallic snap when they hit or change direction. To verify this, put yourself under your automobile, without the wheels, and move your rods, if they only oppose very little force it is likely that they will have to be changed. If this is your case, we recommend highly that you have a look at this article content for a complete guide about steering noises on Mercedes Benz CLS Class.
Other sources
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- Engine silentblock
- Dead gearbox, or broken pinion
A bit like worn stabilizer bar, if your engine silent blocks are harmed, you will feel as you pass over damaged roads or sidewalks, loud metallic noises on your Mercedes Benz CLS Class. Once screwed up, they will no longer accomplish their role as shock absorbers and, with each impact, or violent acceleration, a noise will arise. Therefore, think about to verify their status and change them if needed. Feel free to have a look at this article content which is a complete file about strut mounts noises on Mercedes Benz CLS Class, how to verify their condition and swap them.
Finally, the last common cause of metallic noise on Mercedes Benz CLS Class. It’s because your transmission system is the source. It is plausible, either because of improper use of the gearbox or because of excessive wear, that some gears in your gearbox have broken and are wandering around in it. They will then generate a continuous metal rattling noise. That you shouldn’t feel in neutral. If this is your case, we recommend highly that you browse this detailed guide on the sources of steering noises on Mercedes Benz CLS Class.
Metallic noise Mercedes Benz CLS Class coming from the rear end of the vehicle
Exhaust pipe
If, on the other hand, you feel an exhaust noise that is more of a metallic type, it is possible that one or more parts of your exhaust may be damaged. Indeed, it is possible that either the catalyst or the silencer may be the cause of this noise. To be sure, go under the automobile, cold, and knock each of the previously stated elements with a hammer to find the source of the noise. You should acknowledge things moving in the problematic part, if it’s the exhaust baffles, you can try to hammer in the section a little to try to block them and limit their movements. If it is a dead catalyst, it will be required to reflect on swapping it, as well as the silencer. In cases like this, to stop the metallic noise on your Mercedes Benz CLS Class, you will either have to find a second hand one and do it yourself, or go to your mechanic.
Noise from wheels
- Bearings
- Brake pads or discs
As for the bearings of your automobile, it is possible that with wear they are at the origin of your metallic noises on your Mercedes Benz CLS Class. Go a little further up in the article content where you will find details of the solution already exposed for the front part of the automobile.
Finally, if the noise originates from your discs brakes or pads, you should refer to the part in question in the first section of this manual.
